I just found out that if i run low mem speed i can reach 3GHz on my Brisbane, but if i run high mem speed my CPU cant run more than 2.7.
NF-M2 nView, 3600+ and Ballistix 8500
2700MHz - 1080MHz 5-5-5-10
3000MHz - 748MHz 4-4-4-10
Why is that? Fu**ed memcontroler?